id author title date pages extension mime words sentence flesch summary cache txt ital-13279 Wang, Zhiyu; Wu, Jingyu; Yu, Guang; Song, Zhiping Text Analysis and Visualization Research on the Hetu Dangse During the Qing Dynasty of China 2021-09-20 23 .pdf application/pdf 8726 452 43 Thus, in this study, we aim to use text analysis and visualization methods in machine learning to conduct data mining analysis of historical document data. By analyzing the official documents between the institutional functions, we can further explore the overlap as well as the advantages and disadvantages of the Qing Dynasty Shengjing ruling system to study the history of Shengjing institutions in the Qing Dynasty more thoroughly providing a reference for the design of current institutions. cache/ital-13279.pdf txt/ital-13279.txt